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प्रश्न
Survival of fittest : Darwin : : Acquired characters : ..............................
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उत्तर
Survival of fittest : Darwin : : Acquired characters : Lamarck
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संबंधित प्रश्न
Write short notes based upon the information known to you.
Lamarckism
The first scientist who proposed his theory for evolution was ______.
Explain the occurrence of vestigial organs on the basis of Lamarck's theory of use and disuse.
Given alongside are two figures (A and B) showing a phenomenon that was first observed in Manchester before and after the year 1850.

Answer the following:
Give the common name and the scientific name of the insect involved in this phenomenon.
Given alongside are two figures (A and B) showing a phenomenon that was first observed in Manchester before and after the year 1850.

Answer the following:
Briefly mention why the changes shown in the two figures appeared.
Given alongside are two figures (A and B) showing a phenomenon that was first observed in Manchester before and after the year 1850.

Answer the following:
The following phenomenon provides a classical explanation of a scientific theory given by a certain scientist.
(i) Name and explain the said theory.
(ii) Give the name of the scientist who gave this theory.
Theory of evolution : Darwin : : ____________ : Lamarck
What is inheritance of acquired characters?
Explain Lamarck’s Principle.
The ‘use and disuse theory’ was proposed by ______.
The characters developed by the animals during their life time, in response to the environmental changes are called ______.
The use and disuse theory of organs’ was postulated by Charles Darwin.
The degenerated wing of a kiwi is an acquired character. Why is it an acquired character?
Observe the following figure and explain the concept.

The theory proposed by Lamarck is ______.
Observe the figure given below and answer the questions that follow:

- What is the figure depicting?
- What was the reason that the giraffe stretched their neck and forelimbs?
- What is the name of the theory that is being depicted in the figure?
- Who explained the theory?
- What is the conclusion of this theory?
